1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 503Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 503

VALVE SPRINGRETA NER and STEM SEAL REPLACEMENT Broke II val vc spri ngs or damaged val ve stem sea [s and retainers may be
of valve is satisfa lorv, hold valve in closed position nd app ly air pr to c}' lin - Install vruv(' seal(Fig-urt' 3C) Place
pring in ilion over ':l lvc and in lall 'alvpring tain rCompre 'a jvc spring and in U111 valve pring re ll.iner lock -(FiJ!
urRemove compr or lool and stud nulm cha nislII as outlined 10Install valve 11Remove air lin 12 In stall ro ker nd adaptorIn
tal spa rk plug co veroutli ne d Figure 3CCompressing Valve Spring 5If air pressure has forced piston La bolt om of cylinder
any remov al of air pre' ure wi ll allow va lve(s) Lo fa ape or str ing (wrapped int cy inderA rubber bandL aro und nd of
valv m) will prevent valve(s) from droppin and still 1I0w en ugh travelto check the lve for binds Air Line T6?;: 6565 A Figure